... temperature 3.Short-circuit,Overload protection prompt 7.2V 1A Charger 7.2V 1A lead-acid battery charger (for 6V lead-acid ... , rise, hold time200ms,50ms,30msSeismic10 ~ 500Hz, 2G10min / 1 cycle, duration 60 minutes,each axisPressure ofthe input - output: 1.5KVACEfficiency> 75% (maximum ... °C~+50°C,20%~90%RHStorage temperature,humidity-10°C~+60°C,20%~90%RH 7.2V ...